Novak Djokovic of Serbia reacts after losing a point to Rafael Nadal of Spain during the men's singles final at the Australian Open tennis championship, in Melbourne, Australia, Sunday, Jan. 29, 2012.... more

Novak Djokovic of Serbia reacts after losing a point to Rafael Nadal of Spain during the men's singles final at the Australian Open tennis championship, in Melbourne, Australia, Sunday, Jan. 29, 2012. (AP Photo/Andrew Brownbill) less